Unit 7 Protect the Earth Story time 教案

Unit 7 Protect the Earth
第1课时 (Story time)教案
教学目标：
1、能听懂、会读、会说protect, earth, save, useful, waste, reuse, energy, most, coal, wood, cut down, plastic, oil, drive, so much.
2、能听懂、会读、会说日常交际用语We use … to … We should … We shouldn’t …
3、通过小组合作交流，利用思维导图，能正确地理解并能用标准的语音语调朗读文本，在教师的引导和帮助下尝试复述课文内容。
4、让学生了解保护地球的重要性，培养学生热爱地球，保护地球的意识，了解更多保护地球的方法。
教学重难点：
对词汇和句型的理解。
2、通过小组合作交流，利用思维导图，能正确地理解并朗读文本，在教师的引导和帮助下尝试复述课文内容。
教学过程：
Step1: Pre-reading
Lead-in
T: Good morning, boys and girls.
Ss: Good morning, Miss Su.
T: I’m very happy to be your teacher today. I hope we can enjoy this lesson. OK
Ss: OK.
T: Thank you. Now，let's guess a riddle。What is it
Ss: It's an Earth。
T: Yes. You're clever。Let’s look at some pictures. After watching it, please tell me: Is the river clean
S: No, it’s dirty.
……
T: What can you feel about the pictures
S: …
T: Yes. There are so many bad things. Who did these bad things
Ss: People.
T: What do you want to say to these people
Ss: …
T: Yes. We should protect the Earth, right
Ss: Yes.
T: So today we’re going to learn Unit 7 Protect the Earth.
(揭题，带领学生读课题)
T：出示学习目标（学生了解目标）
自学提示（一）细读Story time 课文，找出不会读，不理解的单词，短语和句子，在小组内互助互学，
可以向老师请教。
Think and say
T: Look, this is the Earth. What do you know about Earth
Ss: …
(展示地球多年前的一幅图和地球现在的一幅图，让学生比较后总结)
T总结: Look, the Earth is not as beautiful as before. So let’s be the green guards to protect the Earth. OK
Ss: OK.
T: How can we become green guards Look, here are some steps.
课件展示展示成为环保小卫士的步骤：
We know how to protect the Earth from some parts
We know the use of them
We know the problems of them
We know the solutions of the problems
We can talk about protecting the Earth
T: OK. Let’s go.
自学提示（二）快速阅读课文，为四段文本各写一个标题。（2分钟）Tip:注意抓取每段中的关键词。
Look and say
T: Now let’s go to step one. Look at the pictures. People are doing bad things to the Earth. Can you give titles to the pictures Think it over.
Ss: …
Step2: While-reading
Skim and find
T: Wow, you gave lots of titles. Now open your books and turn to page 68. Can you find the titles from the text
Ss: …
T: You did a good job on step one. Now can we find out the use of the four things
自学提示（三）Listen and match the phrases(将词组配对).
Listen and match
T: Let’s listen the cartoon. Find out the use of four parts and match the phrases.
Ss看卡通后进行短语配对组成句子。
We use water to A. keep the air clean
We use energy to B. drink and clean
We use trees to C. drive cars
We use wood D. make bags and bottles
We use plastic to E. make tables and chairs
T: They are useful. (总结，教读useful) Let’s read them together.
Ss: …
自学提示（四）Read part 2 &3 quickly and fill in the blanks.快速阅读2、3部分填空。（3分钟）
Scan and find.
T: This time, please read part 2&3 quickly and fill in the blanks.
Where does the energy come from ---Most of our energy comes from coal and oil.
Where does wood come from ---Wood comes from trees.
T: Good.
自学提示（五）Read the passage and discuss the problems of them (讨论它们使用中存在的问题) with your partner. （5分钟）
Read and discuss
T: They are useful. But we can’t use them too much. There are some problems with them. So let’s go to step 3. Read the passage again and discuss in pairs. Then try to find out their problems.
(学生读课文和同桌讨论这四种能源发生的问题)
T通过PPT总结：In many places, there is not much water.
There is not much coal and oil.
People cut down too many trees.
People use too much plastic.
Read, underline and fill in the blanks
T: We know the problems. We should solve the problems. Please read the passage carefully and underline the solutions. (学生读课文，划出文中解决方法的句子。)
T: Can you find something in these sentences
Ss: We should… / We should not… Let’s finish the form according to the sentences you underlined.
小练习：让我们根据划的句子来填写关键词吧。
Water: We should ________ and ________ water. We should not ________ water.
Energy: We should ________ energy. We should not ________ so much.
Trees: We should ________ trees. We should not ________ ________ too many ________.
Plastic: We should not use too many ______ bags or bottles. We should use ________ bags and ________ bottles.
Listen and repeat.
T: Let’s follow the tape. Please try to imitate the pronunciation and intonation.
Retell according to the form
T: We know the use, the problems and the solutions of the four parts. Can you choose one part to talk with your partners
T: Hello, boy.
S: Hello, Miss Su.
T: We use water to drink and clean. What should we do with water
Ss: We should reuse and save water. We should not waste water.
T: Thank you. You can be a green guard now.
T: Now, boys and girls. You can choose any part of the four to make dialogues with your partner.
(让学生编对话来展示)
Step 3: Post-reading
Read the picture book and think
T: Earth is our home. We can protect the Earth from these four parts. But that’s not enough. We can do more. I made a picture book for you. Let’s enjoy it and know more about the Earth. Please think about this question: How can we protect the Earth
Ss: …
T: 总结 You are so great. I am very glad to be your teacher today. What did you understand from this lesson
Homework:
1、Try to recite the story.
2、Preview Grammar time and Fun time.